var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(
  express.urlencoded({
    extended: false
  })
);
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.all('*', function (req, res, next) {
  res.header('Access-Control-Allow-Origin', 'http://127.0.0.1:3000');
  res.header('Access-Control-Allow-Headers', 'X-Requested-With,Content-Type');
  res.header('Access-Control-Allow-Methods', 'PUT,POST,GET,DELETE,OPTIONS');
  res.header('Content-Type', 'application/json;charset=utf-8');
  res.header('Access-Control-Allow-Credentials', true);
  if (req.method == 'OPTIONS') {
    res.send(200);
  } else {
    next();
  }
});
// app.use(function (req, res, next) {
//   if (req.cookies.username) {
//     next();
//   } else {
//     var url = req.originalUrl;
//     if (
//       url === '/login' ||
//       url === '/reg' ||
//       url === '/hotsale' ||
//       url === '/salegroup' ||
//       url === '/discover' ||
//       url === '/hotsale'
//     ) {
//       next();
//     } else {
//       res.status(401).json({
//         value: '401'
//       });
//     }
//   }
// });
app.use('/', indexRouter);
app.use('/users', usersRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  console.log(err.message)
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
